<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<!--循环语法：控制台输入：实时更新：vm.items.push({message:"sss"})-->
<div id="app">
    <ul>
        <li v-for="item in items">{{item.message}}</li>
    </ul>
</div>


<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script type="text/javascript">
    var vm = new Vue({
        el: "#app",
        data: {
            items: [
                {message: "ss"},
                {message: "ss"},
                {message: "ss"},
            ]
        }
    });
</script>
</body>
</html>